------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 1 PID: 18846 at net/mac80211/rate.c:406 __rate_control_send_low+0x5e2/0x820
Modules linked in:
CPU: 1 UID: 0 PID: 18846 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__rate_control_send_low+0x5e2/0x820
Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 40 83 89 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 5f e0 c5 f6 90 <0f> 0b 90 90 e9 70 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0000:ffffc90000a07d58 EFLAGS: 00010246
RAX: b6afbb18876ef900 RBX: 000000000000000c RCX: ffff8881a61cd700
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba650 R12: ffff888172acb528
R13: 0000000000000000 R14: ffff88816c190e80 R15: ffff88816c193138
FS:  0000555591e74500(0000) GS:ffff8882a9f3e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79e3b96fb0 CR3: 00000001bda26000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 rate_control_send_low+0x1a7/0x7b0
 rate_control_get_rate+0x20b/0x5d0
 ieee80211_tx_h_rate_ctrl+0xae0/0x1750
 invoke_tx_handlers_late+0xba/0x18a0
 ieee80211_tx_dequeue+0x308e/0x4360
 ieee80211_handle_wake_tx_queue+0x125/0x2a0
 ieee80211_queue_skb+0x1a31/0x21c0
 ieee80211_tx+0x297/0x460
 __ieee80211_subif_start_xmit+0xccf/0x1610
 ieee80211_subif_start_xmit+0xe0/0x510
 dev_hard_start_xmit+0x2d7/0x830
 sch_direct_xmit+0x241/0x4b0
 __qdisc_run+0xb16/0x15f0
 qdisc_run+0xc2/0x230
 net_tx_action+0x7c9/0x980
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70
Code: 89 fb e8 23 00 00 00 48 8b 3d a4 d1 d2 0b 48 89 de 5b e9 93 86 5a 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 20 6e 92 65 8b 15 a8 1b
RSP: 0000:ffffc90021677918 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000001be802025 RCX: ffff8881a61cd700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffea0006fa0087 R09: 1ffffd4000df4010
R10: dffffc0000000000 R11: fffff94000df4011 R12: 0000000000000000
R13: 0000000000000000 R14: 00000000001be802 R15: 0000000000000001
 __page_table_check_ptes_set+0x2e5/0x2f0
 set_pte_range+0x6a5/0x700
 filemap_map_pages+0xdbf/0x1c60
 __handle_mm_fault+0x347e/0x5400
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0xa7c/0x1380
 exc_page_fault+0x82/0x100
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f79e3b96fb0
Code: Unable to access opcode bytes at 0x7f79e3b96f86.
RSP: 002b:00007ffe3cd709f8 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f79e3db7cc0
RDX: 0000000000000000 RSI: 00007f79e3db7cc0 RDI: 00007ffe3cd70a00
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 0000555591e747d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 0000000000052c93 R15: 00007ffe3cd70b90
 </TASK>
